b = 'wtf "fdfdf" !!'
a = 'Bob said \"I\'m OK\".'
# print(a)
# print(b)

# 多行字符串
c = '''Line 1
Line 2
Line 3'''
# print(c)

# 多行字符串2
d = 'Line 1\nLine 2\nLine 3'
# print(d)

# 字符串模板
template = 'Hello {}'
# 模板数据内容
world = 'World'
result = template.format(world)
print(result) # ==> Hello World